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Epson Research and Development Page 7
Vancouver Design Center
13708PLAY Diagnostic Utility S1D13708
Issue Date: 01/11/16 X39A-B-002-01
L index [red green blue]
Reads/writes the red, green, and blue Look-Up Table (LUT) components. If the red, green,
and blue components are not specified, the LUT for the given index is read and the RGB
values are displayed.
Where:
index Index into the LUT (hex).
red Red component of the LUT (hex).
green Green component of the LUT (hex).
blue Blue component of the LUT (hex).
Note
Only bits 7-2 of each color are used in the LUT. The least significant two bits of the col-
ors are discarded. For example, the command L 0 1 2 3 will set each RGB component of
LUT index 0 to 0, as the values 1, 2, an 3 use only the least significant bits.
LA
Reads and displays all LUT values.
M [bpp]
Sets the color depth (bpp). If no color depth is provided, information about the current
settings are displayed.
Where:
bpp Color depth to be set (1/2/4/8/16 bpp).
Note
This command reads and attempts to interpret the S1D13708 control registers. If the
S1D13708 was not correctly initialized the displayed values may be incorrect.
Q[UIT], EXIT
Quits the program.
R[S][8|16|32] [addr1 addr2 addr3 ...]
Reads the display buffer at the address locations given.
Where:
S Sets the base address to the beginning of system memory.
Without the ‘S’ option, the base address is the beginning of
display buffer memory.
8|16|32 The unit size: 8-bit (bytes), 16-bit (words), 32-bit (dwords).
If a unit size is not specified, this command uses the unit size
from the last Read command performed. If no previous
Read command has been issued, the unit size defaults to
8-bit.
addr The address to read data from. Multiple addresses can be
given.